session-android/app/src/main/java/org/thoughtcrime/securesms/onboarding/LinkDeviceActivity.kt

213 lines
8.8 KiB
Kotlin

package org.thoughtcrime.securesms.onboarding
import android.content.Context
import android.content.Intent
import android.os.Bundle
import android.text.InputType
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.inputmethod.EditorInfo
import android.view.inputmethod.InputMethodManager
import android.widget.Toast
import androidx.core.view.isVisible
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentPagerAdapter
import androidx.lifecycle.lifecycleScope
import com.google.android.material.snackbar.Snackbar
import kotlinx.coroutines.Job
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.filter
import kotlinx.coroutines.launch
import network.loki.messenger.R
import network.loki.messenger.databinding.ActivityLinkDeviceBinding
import network.loki.messenger.databinding.FragmentRecoveryPhraseBinding
import org.session.libsession.utilities.TextSecurePreferences
import org.session.libsignal.crypto.MnemonicCodec
import org.session.libsignal.utilities.Hex
import org.session.libsignal.utilities.KeyHelper
import org.session.libsignal.utilities.Log
import org.session.libsignal.utilities.hexEncodedPublicKey
import org.thoughtcrime.securesms.ApplicationContext
import org.thoughtcrime.securesms.BaseActionBarActivity
import org.thoughtcrime.securesms.crypto.KeyPairUtilities
import org.thoughtcrime.securesms.crypto.MnemonicUtilities
import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragment
import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragmentDelegate
import org.thoughtcrime.securesms.util.push
import org.thoughtcrime.securesms.util.setUpActionBarSessionLogo
class LinkDeviceActivity : BaseActionBarActivity(), ScanQRCodeWrapperFragmentDelegate {
private lateinit var binding: ActivityLinkDeviceBinding
private val adapter = LinkDeviceActivityAdapter(this)
private var restoreJob: Job? = null
override fun onBackPressed() {
if (restoreJob?.isActive == true) return // Don't allow going back with a pending job
super.onBackPressed()
}
// region Lifecycle
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setUpActionBarSessionLogo()
TextSecurePreferences.apply {
setHasViewedSeed(this@LinkDeviceActivity, true)
setConfigurationMessageSynced(this@LinkDeviceActivity, false)
setRestorationTime(this@LinkDeviceActivity, System.currentTimeMillis())
setLastProfileUpdateTime(this@LinkDeviceActivity, 0)
}
binding = ActivityLinkDeviceBinding.inflate(layoutInflater)
setContentView(binding.root)
binding.viewPager.adapter = adapter
binding.tabLayout.setupWithViewPager(binding.viewPager)
}
// endregion
// region Interaction
override fun handleQRCodeScanned(mnemonic: String) {
try {
val seed = Hex.fromStringCondensed(mnemonic)
continueWithSeed(seed)
} catch (e: Exception) {
Log.e("Loki","Error getting seed from QR code", e)
Toast.makeText(this, "An error occurred.", Toast.LENGTH_LONG).show()
}
}
fun continueWithMnemonic(mnemonic: String) {
val loadFileContents: (String) -> String = { fileName ->
MnemonicUtilities.loadFileContents(this, fileName)
}
try {
val hexEncodedSeed = MnemonicCodec(loadFileContents).decode(mnemonic)
val seed = Hex.fromStringCondensed(hexEncodedSeed)
continueWithSeed(seed)
} catch (error: Exception) {
val message = if (error is MnemonicCodec.DecodingError) {
error.description
} else {
"An error occurred."
}
Toast.makeText(this, message, Toast.LENGTH_LONG).show()
}
}
private fun continueWithSeed(seed: ByteArray) {
// only have one sync job running at a time (prevent QR from trying to spawn a new job)
if (restoreJob?.isActive == true) return
restoreJob = lifecycleScope.launch {
// RestoreActivity handles seed this way
val keyPairGenerationResult = KeyPairUtilities.generate(seed)
val x25519KeyPair = keyPairGenerationResult.x25519KeyPair
KeyPairUtilities.store(this@LinkDeviceActivity, seed, keyPairGenerationResult.ed25519KeyPair, x25519KeyPair)
val userHexEncodedPublicKey = x25519KeyPair.hexEncodedPublicKey
val registrationID = KeyHelper.generateRegistrationId(false)
TextSecurePreferences.setLocalRegistrationId(this@LinkDeviceActivity, registrationID)
TextSecurePreferences.setLocalNumber(this@LinkDeviceActivity, userHexEncodedPublicKey)
TextSecurePreferences.setRestorationTime(this@LinkDeviceActivity, System.currentTimeMillis())
TextSecurePreferences.setHasViewedSeed(this@LinkDeviceActivity, true)
binding.loader.isVisible = true
val snackBar = Snackbar.make(binding.containerLayout, R.string.activity_link_device_skip_prompt,Snackbar.LENGTH_INDEFINITE)
.setAction(R.string.registration_activity__skip) { register(true) }
val skipJob = launch {
delay(30_000L)
snackBar.show()
// show a dialog or something saying do you want to skip this bit?
}
// start polling and wait for updated message
ApplicationContext.getInstance(this@LinkDeviceActivity).apply {
startPollingIfNeeded()
}
TextSecurePreferences.events.filter { it == TextSecurePreferences.CONFIGURATION_SYNCED }.collect {
// handle we've synced
snackBar.dismiss()
skipJob.cancel()
register(false)
}
binding.loader.isVisible = false
}
}
private fun register(skipped: Boolean) {
restoreJob?.cancel()
binding.loader.isVisible = false
TextSecurePreferences.setLastConfigurationSyncTime(this, System.currentTimeMillis())
val intent = Intent(this@LinkDeviceActivity, if (skipped) DisplayNameActivity::class.java else PNModeActivity::class.java)
intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
push(intent)
}
// endregion
}
// region Adapter
private class LinkDeviceActivityAdapter(private val activity: LinkDeviceActivity) : FragmentPagerAdapter(activity.supportFragmentManager) {
val recoveryPhraseFragment = RecoveryPhraseFragment()
override fun getCount(): Int {
return 2
}
override fun getItem(index: Int): Fragment {
return when (index) {
0 -> recoveryPhraseFragment
1 -> {
val result = ScanQRCodeWrapperFragment()
result.delegate = activity
result.message = activity.getString(R.string.activity_link_device_qr_message)
result
}
else -> throw IllegalStateException()
}
}
override fun getPageTitle(index: Int): CharSequence {
return when (index) {
0 -> activity.getString(R.string.activity_link_device_recovery_phrase)
1 -> activity.getString(R.string.activity_link_device_scan_qr_code)
else -> throw IllegalStateException()
}
}
}
// endregion
// region Recovery Phrase Fragment
class RecoveryPhraseFragment : Fragment() {
private lateinit var binding: FragmentRecoveryPhraseBinding
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
binding = FragmentRecoveryPhraseBinding.inflate(inflater, container, false)
return binding.root
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
with(binding) {
mnemonicEditText.imeOptions = EditorInfo.IME_ACTION_DONE or 16777216 // Always use incognito keyboard
mnemonicEditText.setRawInputType(InputType.TYPE_CLASS_TEXT)
mnemonicEditText.setOnEditorActionListener { v, actionID, _ ->
if (actionID == EditorInfo.IME_ACTION_DONE) {
val imm = v.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
imm.hideSoftInputFromWindow(v.windowToken, 0)
handleContinueButtonTapped()
true
} else {
false
}
}
continueButton.setOnClickListener { handleContinueButtonTapped() }
}
}
private fun handleContinueButtonTapped() {
val mnemonic = binding.mnemonicEditText.text?.trim().toString()
(requireActivity() as LinkDeviceActivity).continueWithMnemonic(mnemonic)
}
}
// endregion